Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
hanh dang » hanh dong, hanh dung, hanh mang
dang cong » dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
hoc hieu » hoc thieu, hoc hien, doc hieu
anh dang » anh dong, anh dung, anh bang
cua dang » cua cong, cua ban
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - ((hanh dang) or (anh dang)) cua dang cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu lang - ((hanh dang) OR (anh dang)) cua dang cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hieu lang - ((hanh dang) or (anh dang)) cua dang cong manh toan tap*.